Question

use the drop-down menu to complete the sentence.

when 1 carbon atom combines with 2 oxygen atoms, the resulting substance is called a(n) drop-down menu

options in drop-down menu:
element
compound
isotope
ion

Explanation:

Identify the chemical combination

When 1 carbon atom chemically combines with 2 oxygen atoms, they form carbon dioxide (\(\text{CO}_2\)).

Classify the resulting substance

A substance composed of two or more different elements chemically bonded together in a fixed ratio is classified as a compound.

Answer:

When 1 carbon atom combines with 2 oxygen atoms, the resulting substance is called a(n) <blank>compound</blank>.